Ecer asks for your consent to use your personal data to:
Personalised advertising and content, advertising and content measurement, audience research and services development
Store and/or access information on a device
Your personal data will be processed and information from your device (cookies, unique identifiers, and other device data) may be stored by, accessed by and shared with 135 TCF vendor(s) and 65 ad partner(s), or used specifically by this site or app.
Some vendors may process your personal data on the basis of legitimate interest, which you can object to by do not consent. Contact our platform customer service, you can also withdraw your consent.
Your message must
be between 20-3,000 characters!
Submit Requirement
Thank You!
Your requirement has been sent. we will contact you quickly!
{"title":"PVC Heat Shrink Tubing for Battery | Insulation Protective Sleeve for 18650","imgUrl":"https:\/\/img.chinax.com\/nimg\/3e\/61\/1a4571ea804ced663fbf4aca9d90-200x200-1\/pvc_heat_shrink_tubing_for_battery_7c_insulation_protective_sleeve_for_18650.jpg","attrs":{"Brand Name":"XWELL","Model Number":"26650, 21700, 18650, 5# (AA), and 7# (AAA) batteries","Place of Origin":"China","Minimum Order Quantity":"100pcs"}}
{"title":"Dustproof 18650 PVC Heat Shrink Film with -80\u00b0C to +120\u00b0C Temperature Range for","imgUrl":"https:\/\/img.chinax.com\/nimg\/d4\/1c\/f3eb9e4aeb83c8582e0f7030693c-200x200-1\/dustproof_18650_pvc_heat_shrink_film_with_80_c2_b0c_to_2b120_c2_b0c_temperature_range_for_short_circuit_prevention.jpg","attrs":{"Thickness":"0.03mm\u20130.08mm","Color Options\u200b":"Customizable, Black, Blue, Red, Gold, Green, etc.","Brand Name":"XWELL","Model Number":"18650"}}
{"title":"PVC Heat Shrink Film for 18650 Batteries with Precise 72mm\u00d730mm Fit and 80-120\u2103","imgUrl":"https:\/\/img.chinax.com\/nimg\/10\/71\/684ce1a3998a652b2c6277beca51-200x200-1\/pvc_heat_shrink_film_for_18650_batteries_with_precise_72mm_c3_9730mm_fit_and_80_120_e2_84_83_fast_shrink_temperature.jpg","attrs":{"Brand Name":"XWELL","Model Number":"18650","Certification":"CE","Place of Origin":"China"}}
{"title":"18650 PVC Heat Shrink Tube - Blue Flame-Retardant Insulation Sleeve for Battery","imgUrl":"https:\/\/img.chinax.com\/nimg\/3c\/ed\/29bc8cbfb2f4f6e87b6d7b9a10bb-200x200-1\/18650_pvc_heat_shrink_tube_blue_flame_retardant_insulation_sleeve_for_battery_packs.jpg","attrs":{"Brand Name":"XWELL","Model Number":"18650 21700 26650 32650","Place of Origin":"China","Minimum Order Quantity":"100pcs"}}
{"title":"Flame-Retardant Blue PVC Heat Shrink Tube for 18650 Cylindrical Battery Pack","imgUrl":"https:\/\/img.chinax.com\/nimg\/95\/4c\/67848a9a51e3a227d758233ede23-200x200-1\/flame_retardant_blue_pvc_heat_shrink_tube_for_18650_cylindrical_battery_pack_insulation.jpg","attrs":{"Brand Name":"XWELL","Model Number":"18650 21700 26650 32650","Place of Origin":"China","Minimum Order Quantity":"1roll"}}
{"title":"PVC Heat Shrink Tube for 18650 Battery Packs - Insulation, Waterproof, Dustproof","imgUrl":"https:\/\/img.chinax.com\/nimg\/5e\/41\/503b1e0f6d602068fea49c5b9297-200x200-1\/pvc_heat_shrink_tube_for_18650_battery_packs_insulation_2c_waterproof_2c_dustproof_packaging_sleeve.jpg","attrs":{"Brand Name":"XWELL","Model Number":"18650 21700 26650 32650","Certification":"CE","Place of Origin":"China"}}
{"title":"PVC Heat Shrink Tubing - Flame Retardant Insulation Sleeves for 18650 Battery","imgUrl":"https:\/\/img.chinax.com\/nimg\/57\/a2\/ba832088069353bdf6c1e87ce93b-200x200-1\/pvc_heat_shrink_tubing_flame_retardant_insulation_sleeves_for_18650_battery_pack_protection_2c_shrink_wrap_film.jpg","attrs":{"Brand Name":"XWELL","Model Number":"18650 21700 26650 32650","Certification":"CE","Place of Origin":"China"}}
PVC Heat Shrink Tubing for Battery | Insulation Protective Sleeve for 18650/21700/26650
Product Introduction
Our PVC heat shrink battery sleeves are pre-cut PVC heat shrink films designed specifically for cylindrical batteries. Available in standard sizes to fit 26650, 21700, 18650, 5# (AA), and 7# (AAA) batteries, they provide a tight, seamless fit after heating. The material offers excellent insulation, waterproofing, and wear resistance, while its smooth, glossy surface enhances both protection and aesthetics. Whether for single battery cells or battery pack assembly, our heat shrink sleeves ensure safe, reliable, and professional results.
Key Features
Ultra-Fast Shrinkage Shrinks rapidly at 80°C, forming a tight, secure fit around battery cells without loosening. No need for high-temperature equipment, saving time and improving production efficiency.
Superior Insulation & Safety Made of high-quality insulating PVC material with stable electrical properties. Effectively prevents short circuits, insulates against current leakage, and protects batteries from external damage.
Waterproof & Dustproof Forms a complete, sealed protective layer, effectively blocking moisture, dust, and impurities. Extends battery service life and maintains stable performance in harsh environments.
High Stability & Durability Operates within a wide temperature range of -40°C to 105°C, maintaining flexibility and strength. Resists wear, scratches, and aging, ensuring long-term reliable use.
Vibrant & Attractive Available in bright, glossy colors (color options available upon request), providing both practical protection and an aesthetic finish to battery products.
Complete Specifications Standard sizes pre-cut for 26650/21700/18650/5#/7# batteries. Custom sizes and lengths are also supported to meet special project requirements.
Technical Specifications
Item
Details
Material
Eco-Friendly PVC
Shrink Temperature
80°C
Shrinkage Rate
≥48±5%
Working Temperature Range
-40°C ~ 105°C
Rated Voltage
300V
Wall Thickness
Approx. 0.1mm (All Models)
Standard Sizes
See Table Below
Standard Battery Sleeve Sizes
Battery Model
Flat Width
Length (±1mm)
Wall Thickness
26650 Battery Sleeve
43mm
74mm
~0.1mm
21700 Battery Sleeve
36mm
78mm
~0.1mm
18650 Battery Sleeve
29.5mm
72mm
~0.1mm
5# (AA) Battery Sleeve
23mm
53mm
~0.1mm
7# (AAA) Battery Sleeve
17mm
47mm
~0.1mm
Applications
Lithium Battery Packs: Insulation and protection for 18650/21700/26650 battery cells.
Consumer Electronics: AA/AAA battery insulation and surface finishing.
New Energy Equipment: Battery pack sealing, insulation, and anti-shock protection.
Electronic Assembly: Battery module packaging, dustproofing, and wear resistance.
Why Choose Our Product?
Professional Manufacturer: Specialized in PVC heat shrink materials for batteries, with strict quality control.
Fast & Efficient: 80°C low-temperature shrink, easy to operate, and improves production efficiency.
Eco-Friendly & Safe: Compliant with international environmental standards, non-toxic, and safe for battery use.
Custom Support: Accept custom sizes, colors, and lengths to meet your specific design needs.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
2016
Total Annual:
3000000-5000000
Employee Number:
50~100
Ecer Certification:
Verified Supplier
GUANGDONG XWELL TECHNOLOGY CO., LTD. is a high-tech enterprise specializing in intelligent equipment design, production and sales, providing mechanical engineering technology design and consulting services, electronic engineering design and consulting services. XWELL's core team was established in 2... GUANGDONG XWELL TECHNOLOGY CO., LTD. is a high-tech enterprise specializing in intelligent equipment design, production and sales, providing mechanical engineering technology design and consulting services, electronic engineering design and consulting services. XWELL's core team was established in 2...